Profile: Bb Automacao is a supplier of magnets and hall effect sensors. Our products include hall effect sensors & elements, electric sensors, transducers, displacement sensors, permanent magnets, electromagnets, electromagnetic brakes, magnet products, computer-controlled precise measuring and testing systems. We supply various models of hall effect vane sensors (CYHME301, CYHME56, CYHME2000) for speed measurement with applications to machines, equipment, motorcycles (BMW), and automobile industry. Our neodymium magnet or NIB magnet is a powerful magnet made of a combination of neodymium, iron and boron. They are strong in comparison to their mass, but are mechanically fragile and the most powerful grades lose their magnetism at temperatures above 176 degrees.